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<?php |
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namespace SimpSyst\Uploader; |
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/** |
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* Class SimpSyst Image |
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* |
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* @author Diego Matos <https://github.com/diegoamatos> |
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* @package SimpSyst\Uploader |
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*/ |
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class Image extends Uploader |
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{ |
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/** |
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* Allow jpg, png and gif images, use from check. For new extensions check the imageCrete method |
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* @var array allowed media types |
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*/ |
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protected static $allowTypes = [ |
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"image/jpeg", |
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"image/png", |
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"image/gif", |
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]; |
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/** |
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* @param array $image |
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* @param string $name |
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* @param int $width |
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* @param array|null $quality |
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* @return string |
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* @throws \Exception |
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*/ |
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public function upload(array $image, string $name, int $width = 2000, ?array $quality = null): string |
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{ |
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if (empty($image['type'])) { |
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throw new \Exception("Not a valid data from image"); |
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} |
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if (!$this->imageCreate($image)) { |
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throw new \Exception("Not a valid image type or extension"); |
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} else { |
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$this->name($name); |
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} |
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if ($this->ext == "gif") { |
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move_uploaded_file("{$image['tmp_name']}", "{$this->path}/{$this->name}"); |
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return "{$this->path}/{$this->name}"; |
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} |
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$this->imageGenerate($width, ($quality ?? ["jpg" => 75, "png" => 5])); |
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return "{$this->path}/{$this->name}"; |
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} |
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/** |
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* Image create and valid extension from mime-type |
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* https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types#Image_types |
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* |
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* @param array $image |
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* @return bool |
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*/ |
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protected function imageCreate(array $image): bool |
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{ |
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if ($image['type'] == "image/jpeg") { |
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$this->file = imagecreatefromjpeg($image['tmp_name']); |
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$this->ext = "jpg"; |
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$this->checkAngle($image); |
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return true; |
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} |
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if ($image['type'] == "image/png") { |
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$this->file = imagecreatefrompng($image['tmp_name']); |
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$this->ext = "png"; |
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return true; |
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} |
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if ($image['type'] == "image/gif") { |
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$this->ext = "gif"; |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @param int $width |
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* @param array $quality |
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*/ |
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private function imageGenerate(int $width, array $quality): void |
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{ |
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$fileX = imagesx($this->file); |
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$fileY = imagesy($this->file); |
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$imageW = ($width < $fileX ? $width : $fileX); |
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$imageH = ($imageW * $fileY) / $fileX; |
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$imageCreate = imagecreatetruecolor($imageW, $imageH); |
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if ($this->ext == "jpg") { |
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imagecopyresampled($imageCreate, $this->file, 0, 0, 0, 0, $imageW, $imageH, $fileX, $fileY); |
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imagejpeg($imageCreate, "{$this->path}/{$this->name}", $quality['jpg']); |
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} |
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if ($this->ext == "png") { |
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imagealphablending($imageCreate, false); |
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imagesavealpha($imageCreate, true); |
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imagecopyresampled($imageCreate, $this->file, 0, 0, 0, 0, $imageW, $imageH, $fileX, $fileY); |
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imagepng($imageCreate, "{$this->path}/{$this->name}", $quality['png']); |
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} |
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imagedestroy($this->file); |
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imagedestroy($imageCreate); |
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} |
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/** |
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* Check image (JPG, PNG) angle and rotate from exif data. |
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* @param $image |
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*/ |
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private function checkAngle($image): void |
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{ |
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$exif = @exif_read_data($image["tmp_name"]); |
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$orientation = (!empty($exif["Orientation"]) ? $exif["Orientation"] : null); |
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switch ($orientation) { |
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case 8: |
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$this->file = imagerotate($this->file, 90, 0); |
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break; |
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case 3: |
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$this->file = imagerotate($this->file, 180, 0); |
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break; |
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case 6: |
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$this->file = imagerotate($this->file, -90, 0); |
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break; |
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} |
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return; |
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} |
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} |
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diegoamatos /
uploader
Loading history...
Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a mixed type is assigned to a property that is type hinted more strictly.
For example, imagine you have a variable
$accountIdthat can either hold an Id object or false (if there is no account id yet). Your code now assigns that value to theidproperty of an instance of theAccountclass. This class holds a proper account, so the id value must no longer be false.Either this assignment is in error or a type check should be added for that assignment.